Local zoning · Del Mar

Del Mar — Development Standards

Development Standards under the Del Mar local zoning and planning code, with the controlling citations.

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Last reviewed: July 2, 2026

Overview

This page synthesizes the Del Mar municipal zoning ordinance (Title 30) rules that control development standards — setbacks, building height, lot coverage, density, and floor area ratio (FAR) — organized by the City’s actual zone names. Use this as the code-grounded reference for what the ordinance requires; numeric values below are taken directly from the Del Mar zoning chapters cited. Confirm parcel‑specific rules (overlays, lot-line agreements, coastal requirements) with the Planning Department. See the city’s Del Mar zoning & planning overview and Del Mar Zoning pages for maps and procedural links.

Note: parking, design review, overlays, and accessory dwelling unit (ADU) rules interact with these standards — see Del Mar Parking, Del Mar Design Review, Del Mar Overlay Districts, and Del Mar ADUs. Building-code compliance is handled under the California Building Standards Code (Title 24) and is separate from the zoning development standards discussed here.

Development standards — district by district

Below each district entry I list the ordinance purpose, typical permitted uses (short), and the key dimensional/development standards pulled from the zone’s Development Standards section. Every numeric requirement is tied to the controlling § in the Del Mar Municipal Code.

Important: many zones include a special height rule for properties in the Bluff, Slope, and Canyon Overlay Zone that may reduce allowed height to 14 feet unless the overlay criteria are satisfied; those overlay rules are repeatedly referenced in the zone chapters (example cited below). Verify overlay applicability for a parcel. See Del Mar Overlay Districts for mapping.

R1-40 (Very Low Density Residential)

  • Purpose: preserve very large-lot single-family character. § 30.10.010 .
  • Typical uses: single-family dwellings, accessory uses. § 30.10.030 .
  • Key standards (Development Standards: § 30.10.070): front yard 20 ft, rear yard 25 ft, interior side yard 10 ft, street side 10 ft; height 26 ft; FAR 12.5% or 2,000 sq ft (whichever is greater); max lot coverage 20% or 3,000 sq ft (whichever greater). .
  • Applicable design review: all R1-40 development is subject to design review. § 30.10.060 .

R1-14 (Modified Low Density Residential)

  • Purpose: preserve open, uncrowded single-family character. § 30.11.010 .
  • Typical uses: single-family dwelling per lot, accessory uses. § 30.11.030 .
  • Key standards (Development Standards: § 30.11.070): density 1 building site per 14,000 sq ft; minimum lot 14,000 sq ft; front 20 ft, rear 25 ft, interior side 7.5 ft, street side 10 ft; height 26 ft; FAR 25% or 2,000 sq ft; max lot coverage 35% or 3,000 sq ft. .

R1-10 (Low Density Residential)

  • Purpose: single-family residential at a lower density. § 30.12.010 .
  • Typical uses: single-family dwellings, accessory uses. § 30.12.030 .
  • Key standards (Development Standards: § 30.12.070): minimum lot 10,000 sq ft; front 20 ft, rear 25 ft, interior side 7.5 ft, street side 10 ft; height 26 ft; FAR 25% or 2,000 sq ft; max lot coverage 40% or 3,000 sq ft. .

R1-10B (Low Density Residential — Beach)

  • Purpose: low density near the beach; design emphasis on beach character. § 30.13.010 .
  • Typical uses: single-family dwellings, accessory uses; subject to design review. § 30.13.030, 30.13.060 .
  • Key standards (Development Standards: § 30.13.070): minimum lot 10,000 sq ft; front 10 ft, rear 10 ft, interior side 5 ft, street side 10 ft; height 26 ft; FAR 30% or 2,000 sq ft; max lot coverage 45% or 3,000 sq ft. .
  • Special: Bluff/Slope/Canyon Overlay may limit height to 14 ft. § 30.13.080 .

R1-5 (Medium Density Single-Family)

  • Purpose: medium-density single-family areas. § 30.14.010 .
  • Typical uses: single-family dwellings and similar accessory uses. § 30.14.030 .
  • Key standards (Development Standards: § 30.14.070): minimum lot 5,000 sq ft; front 20 ft, rear 20 ft, interior side 5 ft, street side 10 ft; height 22 ft; FAR 30% or 2,000 sq ft; max lot coverage 45% or 3,000 sq ft. .
  • Note: R1-5 chapters include provisions to avoid view/sunlight blockage and require design harmony. § 30.14.010 .

R1-5B (Medium Density Single-Family — Beach)

  • Purpose: beach-area single-family rules. § 30.15.010 .
  • Typical uses: single-family dwellings; design review applies. § 30.15.030, 30.15.060 .
  • Key standards (Development Standards: § 30.15.070): minimum lot 5,000 sq ft; front 10 ft, rear 10 ft, interior side 5 ft, street side 10 ft; height 26 ft; FAR 55%; max lot coverage 80%. .
  • Special: some properties (e.g., west side of Ocean Front) have a 5 ft front yard rule, and lot-line building agreements are possible when adjacent owners consent. § 30.15.080, 30.15.070.D .

RM-West (Medium Density Mixed Residential — West)

  • Purpose: allow single-family, duplex, and limited multi-family compatible with existing neighborhood. § 30.17.010 .
  • Typical uses: single-family, duplex, accessory dwelling units (ADUs) (ADU rules referenced elsewhere). § 30.17.030 .
  • Key standards (Development Standards: § 30.17.070): minimum lot 5,000 sq ft; front 10 ft, rear 10 ft, interior side 5 ft, street side 10 ft; height 26 ft; FAR 45%; max lot coverage 60%. .
  • Special: joint consideration of substandard lots, lot-line building provisions, and a 5 ft front yard along certain ocean-fronting lots. § 30.17.080 .

RM-Central (Medium Density Mixed Residential — Central)

  • Purpose: mixed single- and two-family where multi-family already exists; follows R2 standards. § 30.18.010 .
  • Typical uses: single-family, duplex, multi-family; design review applies. § 30.18.030, 30.18.060 .
  • Key standards (Development Standards: § 30.18.070): density up to 12.5 du/acre; minimum lot 7,000 sq ft; front 20 ft, rear 20 ft, interior side 5 ft, street side 10 ft; height 26 ft; FAR 30%; max lot coverage 45%. .

RM-South (Medium Density Mixed Residential — South)

  • Purpose: permit multi-family where it already exists; village-like character. § 30.19.010 .
  • Typical uses: single-, two-, and multi-family residential; churches with CUP. § 30.19.030 .
  • Key standards (Development Standards: § 30.19.070): density up to 12.5 du/acre; minimum lot 8,000 sq ft; frontage 50 ft, minimum lot width 60 ft, depth 100 ft; setbacks front 20 ft, rear 20 ft, interior side 10 ft, street side 10 ft; height 26 ft; FAR 35%; max lot coverage 50%. .
  • Note: interior side yard may be reduced to 7.5 ft for single-family or duplex. § 30.19.080 .

R2 (High Density Mixed Residential)

  • Purpose: higher-density mixed residential. § 30.20.010 .
  • Typical uses: multi-family dwellings, duplexes, accessory uses. § 30.20.030 .
  • Key standards (Development Standards: § 30.20.070): density not exceed 12.5 du/acre; minimum lot 7,000 sq ft; frontage 35 ft, width 50 ft, depth 90 ft; setbacks front 20 ft, rear 20 ft, interior side 5 ft, street side 10 ft; height 26 ft; FAR 35%; max lot coverage 50%. .

RC (Residential-Commercial)

  • Purpose: mix residential and commercial compatible with village character. § 30.21.010 .
  • Typical uses: mixed residential/commercial, with design review required. § 30.21.060 .
  • Key standards (Development Standards: § 30.21.070): residential density 12.5 du/acre; minimum lot 7,000 sq ft; frontage 35 ft, width 50 ft, depth 90 ft; setbacks front 20 ft, rear 0 ft, interior side 5 ft, street side 10 ft; height 26 ft; FAR 30%; max lot coverage 55%. .

CC (Central Commercial)

  • Purpose: Del Mar village center — pedestrian retail, restaurants, offices. § 30.22.010 .
  • Typical uses: retail, restaurants, offices, services; pedestrian emphasis. § 30.22.010 .
  • Key numeric development standards: Not found in retrieved materials (see Information Gaps). Verify CC numeric setbacks/FAR/height directly with the zoning code and Planning staff. .

PF (Public Facilities)

  • Purpose: public parks, municipal facilities, utilities. § 30.31.010 .
  • Typical uses: parks, schools, civic uses, utility structures. § 30.31.030–050 .
  • Key standards (Development Standards: § 30.31.070): setbacks generally none, except minimum 10 ft where PF property borders residentially zoned property; height 26 ft (with a Camino del Mar special limit of 14 ft above curb level for properties fronting that street). .

Quick reference table — selected decision-relevant standards

Zone Min lot (sq ft) Front setback Rear setback Interior side Height FAR Max lot coverage Code Reference
R1‑40 40,000 20 ft 25 ft 10 ft 26 ft 12.5% or 2,000 sf 20% or 3,000 sf § 30.10.070
R1‑14 14,000 20 ft 25 ft 7.5 ft 26 ft 25% or 2,000 sf 35% or 3,000 sf § 30.11.070
R1‑10 10,000 20 ft 25 ft 7.5 ft 26 ft 25% or 2,000 sf 40% or 3,000 sf § 30.12.070
R1‑10B 10,000 10 ft 10 ft 5 ft 26 ft 30% or 2,000 sf 45% or 3,000 sf § 30.13.070
R1‑5 5,000 20 ft 20 ft 5 ft 22 ft 30% or 2,000 sf 45% or 3,000 sf § 30.14.070
R1‑5B 5,000 10 ft 10 ft 5 ft 26 ft 55% 80% § 30.15.070
RM‑West 5,000 10 ft 10 ft 5 ft 26 ft 45% 60% § 30.17.070
RM‑Central 7,000 20 ft 20 ft 5 ft 26 ft 30% 45% § 30.18.070
RM‑South 8,000 20 ft 20 ft 10 ft 26 ft 35% 50% § 30.19.070
R2 7,000 20 ft 20 ft 5 ft 26 ft 35% 50% § 30.20.070
RC 7,000 20 ft 0 ft 5 ft 26 ft 30% 55% § 30.21.070
PF (varies) none (10 ft along residential boundary) none n/a 26 ft (some Camino del Mar sites 14 ft) Not specified Not specified § 30.31.070

(For full text of each zone’s Development Standards, see the zone § cited in the Code Reference column.)

Checklist

An applicant should confirm the following before preparing drawings or filing an application:

  • Confirm the property’s base zone (e.g., R1‑5, RM‑West) via the city zone map and the zone boundaries referenced in the ordinance (see each chapter’s Boundaries clause). Example: § 30.11.020 for R1‑14.
  • Verify any applicable overlay zones (Bluff/Slope/Canyon, Beach Overlay, etc.) and apply overlay height or setback adjustments. See multiple overlay references (e.g., § 30.11.080, § 30.13.080).
  • Meet the zone’s setbacks, height, FAR, and lot coverage limits as shown above and in the zone’s Development Standards (§ 30.xx.070 for each zone). Examples: § 30.15.070 (R1‑5B), § 30.17.070 (RM‑West).
  • Confirm parking requirements in Chapter 30.80 (see zone chapters’ “See Chapter 30.80” references) and plan parking accordingly. See Del Mar Parking.
  • Determine if Design Review is required (many zones state all development is subject to the Design Review Board). See Del Mar Design Review and the zone’s Design Review clause (e.g., § 30.11.060).
  • If proposing an ADU, review ADU allowances and state law interactions in the ADU chapter and California ADU law and local ADU rules. See Del Mar ADUs.
  • For lot-line buildings or shared‑lot arrangements, prepare the required recorded joint agreement when the code allows a lot-line building (see provisions in multiple zones, e.g., § 30.13.080).
  • Verify whether the project will trigger the City’s Housing Reduction Mitigation Fee if dwelling units are reduced (see the fee language in the zone chapters).
  • Coordinate with Planning to confirm coastal/LCP, floodplain, and utility restrictions where applicable (PF zone and special Coastal references appear in the Code).

Risks & Ambiguities

Issue Why it matters What to verify
Overlay height caps (Bluff/Slope/Canyon) Many zone chapters state a 14 ft overlay cap unless overlay criteria are met; this can override the zone’s normal 26 ft height allowance. Confirm overlay mapping for the parcel and review the overlay standards/approval criteria in the applicable overlay section. Verify which § applies to the parcel (e.g., § 30.13.080).
Lot‑line buildings and shared lots The code allows lot‑line buildings only when adjacent owners jointly request and record agreements; failing to record correctly can invalidate the reduced setbacks. If proposing a lot‑line building, prepare and record the joint agreement as required by the zone’s lot‑line building clause (e.g., § 30.13.080).
R1‑5B unusually large FAR/coverage numbers R1‑5B shows very high FAR 55% and coverage 80% in the retrieved excerpt, which is atypical and may reflect beach‑area exceptions or later amendments. Verify the most recent, official City Code text and any amendments with Planning — code excerpts may reflect recent ordinance changes.
Central Commercial (CC) numeric standards Purpose is in the Code, but numeric setbacks/FAR were not in the retrieved snippets. Confirm CC dimensional standards in the full Code or with staff. Not found in retrieved materials.
ADU state preemption vs. local limits State ADU law limits what a city may require (size, setbacks) and can preempt local lot coverage/FAR restrictions for ADUs in some contexts. See state guidance. Cross‑check the Del Mar ADU chapter and state ADU law; ensure local enforcement is consistent with state ADU statutes. See California ADU law.
Height measurement method Height limits are numeric (e.g., 26 ft) but the measuring point (average grade, curb level) can differ by chapter (PF Camino del Mar uses curb level). § 30.31.070 shows a special rule. Confirm how height is measured for your parcel (grade point, curb elevation) in the applicable zone chapter and with Building/Planning staff.

Plain-English Summary

Del Mar’s Title 30 sets numeric limits zone-by-zone: every residential and mixed-use zone specifies a minimum lot size, front/rear/side setbacks, a height limit (commonly 26 ft, with some zones 22 ft), a FAR or square‑foot cap, and a maximum lot coverage; many beach and bluff areas have extra overlay height limits and design-review requirements that can be more restrictive. Always check the specific zone’s Development Standards (§ 30.xx.070) and overlays for your parcel.

Information Gaps

  • Full numeric development standards for the Central Commercial (CC) zone were not present in the retrieved excerpts; verify in the full Code.
  • Some R1‑5B numbers (high FAR/coverage) appear in the snippets; confirm with the authoritative ordinance text and recent amendments.
  • Exact overlay zone text and mapping (Bluff/Slope/Canyon) is referenced in many zone chapters but the overlay chapter text and maps were not included in the search results — confirm overlay rules and map with Planning.

Source References

  • Del Mar Municipal Code, Title 30 (Zoning) — R1‑40 Development Standards: § 30.10.070.
  • Del Mar Municipal Code — R1‑14 Development Standards: § 30.11.070.
  • Del Mar Municipal Code — R1‑10 Development Standards: § 30.12.070.
  • Del Mar Municipal Code — R1‑10B Development Standards: § 30.13.070.
  • Del Mar Municipal Code — R1‑5 and related chapters (e.g., § 30.14.070).
  • Del Mar Municipal Code — R1‑5B Development Standards: § 30.15.070.
  • Del Mar Municipal Code — RM‑West Development Standards: § 30.17.070.
  • Del Mar Municipal Code — RM‑Central Development Standards: § 30.18.070.
  • Del Mar Municipal Code — RM‑South Development Standards: § 30.19.070.
  • Del Mar Municipal Code — R2 Development Standards: § 30.20.070.
  • Del Mar Municipal Code — RC Development Standards: § 30.21.070.
  • Del Mar Municipal Code — PF Development Standards: § 30.31.070.
  • Del Mar zoning & planning overview: /us/california/del-mar
  • Del Mar Zoning: /us/california/del-mar/zoning
  • Del Mar Parking: /us/california/del-mar/parking
  • Del Mar Design Review: /us/california/del-mar/design-review
  • Del Mar Overlay Districts: /us/california/del-mar/overlay-districts
  • Del Mar ADUs: /us/california/del-mar/adu
  • California ADU law summary (state guidance excerpt in provided file): Gov. Code references re: ADUs (see retrieved ADU note)

Sources

Retrieved passages

  • Del Mar Zoning Code (§ 10) High relevance
  • Del Mar Zoning Code (§ 5) High relevance
  • Del Mar Zoning Code (§ 7) High relevance
  • Del Mar Zoning Code (§ 6) High relevance
  • Del Mar Zoning Code (Section 1596.70.) High relevance
  • Del Mar Zoning Code (Section shall) High relevance
  • Del Mar Zoning Code (Section 1596.70.) High relevance
  • Del Mar Zoning Code (Section 1596.70.) High relevance

Cited sections

Frequently asked questions

What can I build on an R1‑5 lot in Del Mar?

On an R1‑5 lot you can build a single‑family dwelling and accessory uses allowed by the zone; the zone lists minimum lot size and specific setbacks (front 20 ft, rear 20 ft, interior 5 ft), a 22‑ft height limit, applicable FAR/lot coverage caps, and design‑review expectations per § 30.14.070 and § 30.14.010.

What are Del Mar setback requirements for single‑family zones?

Setbacks vary by zone. Typical examples: R1‑40 and R1‑14: front 20 ft, rear 25 ft; R1‑10B (beach): front 10 ft, rear 10 ft; R1‑5: front 20 ft, rear 20 ft. Always check the zone’s Development Standards (the § 30.xx.070 entry for the specific zone).

What is the height limit in Del Mar?

Most residential and mixed‑use zones set height at 26 ft (some zones like R1‑5 use 22 ft). However, the Bluff/Slope/Canyon Overlay may reduce allowed height to 14 ft in those overlay areas unless the overlay criteria are met. See each zone’s Development Standards and overlay clauses (e.g., § 30.13.080).

Do I need design review for a project in Del Mar?

Many zones explicitly require design review (for example, R1‑14 § 30.11.060, RC § 30.21.060). Check the zone chapter for a Design Review clause and the City’s Del Mar Design Review page for process details.

How does lot coverage and FAR work in Del Mar?

Each zone sets either a percentage FAR or a numeric floor‑area cap and a maximum lot coverage (often also with a square‑foot fallback such as “or 3,000 sq ft, whichever is greater”). Examples: R1‑14 FAR 25% or 2,000 sq ft, coverage 35% or 3,000 sq ft (see § 30.11.070). Always use the higher‑precedence numeric rule shown in the zone text.

Can I put an ADU on my Del Mar lot and do zoning limits apply?

ADUs are allowed in many residential zones, with local ADU rules and state ADU law interactions. The RM‑West chapter explicitly references ADUs (see § 30.17.030), but state ADU law also limits what local agencies can require (see the ADU guidance excerpt in the provided materials). Always cross‑check the local ADU chapter and state ADU law.

What if my parcel is adjacent to a public facility zone (PF)?

PF generally has no standard setbacks except where PF property borders residential property — a 10‑ft setback is required along the common boundary (see § 30.31.070). Some PF parcels (Camino del Mar frontage) have a special 14‑ft height cap measured from curb level.

Are there exceptions for substandard lots and shared ownership lots?

Yes — some zones allow substandard lots under specific joint ownership arrangements to be treated together for lot coverage/FAR calculations or allow lot‑line buildings if adjacent owners record a cooperative agreement. See the special regulations in RM‑West, R1‑5B, and others (e.g., § 30.17.080, § 30.13.080).

Where are parking requirements listed for each zone?

Parking is handled in Chapter 30.80 and each zone chapter typically points to that chapter (e.g., “See Chapter 30.80 for parking requirements” in multiple zone sections). Consult Chapter 30.80 and the City’s Del Mar Parking page.

How do I confirm whether my property is in an overlay that changes setbacks/height?

Review the zone chapter’s “Special Regulations” (many zones include an overlay height note at the end of their Development Standards) and the official overlay maps; the zone text often references the Bluff/Slope/Canyon overlay (e.g., § 30.11.080, § 30.13.080). If in doubt, confirm with Planning. ---

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